FLUCTUATION

fluctuation. Fluctuation, n. uncertainty, motion, change

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Fluc′tu‐a″tion (?), n. [[L. fluctuatio; cf. F. fluctuation.]] 1. 1. A motion like that of waves; a moving in this and that direction; as, the fluctuations of the sea.
2. 2. A wavering; unsteadiness; as, fluctuations of opinion; fluctuations of prices.
3. 3. (Med.) The motion or undulation of a fluid collected in a natural or artifical cavity, which is felt when it is subjected to pressure or percussion. Dunglison.